vigintillion

[ vahy-jin-til-yuh n ]
/ ˌvaɪ dʒɪnˈtɪl yən /

noun, plural vi·gin·til·lions, (as after a numeral) vi·gin·til·lion.

a cardinal number represented in the U.S. by 1 followed by 63 zeros, and in Great Britain by 1 followed by 120 zeros.

adjective

amounting to one vigintillion in number.

Origin of vigintillion

1900–05; < Latin vīgint(ī) twenty + -illion, as in million

Related forms

vi·gin·til·lionth, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019